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This rugged HVACR control module is polarity insensitive
providing versatile performance across various media
Why is my York furnace displaying a pressure switch stuck open error
the P12440 ensures reliable pressure regulation and prevents coil icing or short-cycling in demanding environments
This unit includes a factory-installed 24V AC coil suitable for most HVAC control circuits
Carrier HK02ZB325 Pressure Switch R-407A This rugged HVACR control moduleThe Carrier HK02ZB325 Pressure Switch is a critical safety component designed for high pressure cutout applications in residential and commercial HVAC units. Engineered with a 400 PSI cut out and a 325 PSI cut in, this SPST (Single Pole Single Throw) switch monitors refrigerant pressure to protect the compressor from damage during high head pressure events. This OEM Carrier replacement part features a 1 4 inch female SAE flare fitting with a Schrader